On Nov 27, 2012, at 11:05 PM, Xinliang David Li <davi...@google.com> wrote:
> On Tue, Nov 27, 2012 at 10:40 PM, Chris Lattner <clatt...@apple.com> wrote: >> >> On Nov 27, 2012, at 9:08 PM, Miles Bader <mi...@gnu.org> wrote: >> >>> Chris Lattner <clatt...@apple.com> writes: >>>> Clang has fantastic support for PCH... and soon modules. We don't >>>> plan to drop PCH support when modules is implemented. >>> >>> Do you have a pointer to the modules proposal clang will implement? >> >> Most of it is implemented in mainline Clang already. > > For Object-C or C++? C and Objective-C are nearly complete, C++ support is still in progress. > >> Here is a recent talk describing it: >> http://llvm.org/devmtg/2012-11/Gregor-Modules.pdf >> > > It is likely that the module file format will be standardized in the > future, so it is better for different communities to start move in the > same direction. Is the module format adopted by Clang documented > anywhere? No, the design does not require a binary compatible file format. Header files and module maps remain "the truth". Any binary file format produced by a compiler as a side effect of building is an implementation detail of that compiler. -Chris
